The common fluoroquinolone antibiotic ciprofloxacin — brand names
include Cipro, Proquin, Ciproxin, Ciprobay, Cirpoxine, and Ciflox — have been shown to significantly decrease absorption of levothyroxine, the common thyroid hormone replacement medication (known by brands names such as Synthroid, Levoxyl, and Tirosint.)
Brand names
including Cipro, Avelox, and Levaquin were forced by the FDA to include warning labels in 2013 following reports linking the products to neuropathy.
Not exact matches
Drug interactions: Calcium can interfere with many medications,
including prescription osteoporosis drugs known as bisphosphonates (such as alendronate), certain blood pressure medications, antibiotics in the tetracycline and quinolone families (like
Cipro); and levothyroxine, which treats hypothyroidism.
The first, older group
includes ciprofloxacin (
Cipro), ofloxacin and norflaxacin.
Most side effects of
Cipro and Levaquin are rare, but some,
including tendon rupture, can be serious.